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APPENDIX
Table A12 – Surround Modes
Surround Mode Description Incoming Bitstream or Signal
Dolby Digital Provides up to five separate main audio channels and a dedicated low-
frequency effects (LFE) channel.
Dolby Digital 1/0/.0 or .1, 2/0/.0 or .1, 3/0/.0 or .1, •
2/1/.0 or .1, 2/2/.0 or .1, 3/2/.0 or .1
Dolby Digital EX (played as 5.1) •
Dolby Digital Plus decoded and delivered via coax or •
optical connection
Dolby Digital EX An expansion of Dolby Digital 5.1 that adds a surround back channel
which may be played through one or two surround back speakers. May
be manually selected when a non-EX Dolby Digital stream is detected.
Dolby Digital EX •
Dolby Digital 2/2/.0 or .1, 3/2/.0 or .1 •
Dolby Digital Plus An enhanced version of Dolby Digital encoded more efficiently, Dolby
Digital Plus has the capacity for additional discrete channels and for
streaming audio from the Internet, all with enhanced audio quality.
Source material may be delivered via an HDMI connection, or decoded
to Dolby Digital or PCM and transmitted via S/P-DIF coaxial or optical
digital audio.
Dolby Digital Plus via HDMI connection (source device •
decodes to Dolby Digital when a coax or optical
connection is used)
Dolby TrueHD Dolby TrueHD is an expansion of MLP Lossless™ audio, the same format
used on DVD Audio discs. Dolby TrueHD adds the features found in Dolby
Digital, such as night mode settings, while delivering fully lossless
audio that is a true reproduction of the studio master recording.
Blu-ray Disc or HD-DVD encoded with Dolby TrueHD, •
delivered via HDMI
Dolby Digital Stereo Delivers a 2-channel downmix of Dolby Digital materials. Dolby Digital 1/0/.0 or .1, 2/0/.0 or .1, 3/0/.0 or .1, •
2/1/.0 or .1, 2/2/.0 or .1, 3/2/.0 or .1
Dolby Digital EX •
Dolby Pro Logic II
Mode Group
Analog decoder that derives five full-range, discrete main audio
channels from matrix surround-encoded or 2-channel analog sources.
Four variants are available.
See below
Dolby Pro Logic II
Movie
Variant of Dolby Pro Logic II that is optimized for movie and television
programs.
Dolby Digital 2.0 or 2.1 •
Analog (2-channel) •
Tuner •
PCM (32kHz, 44.1kHz, 48kHz, 96kHz) •
Dolby Pro Logic II
Music
Variant of Dolby Pro Logic II that is optimized for music selections.
Allows adjustment of sound field presentation in three dimensions:
Center Width (adjusts width of vocal soundstage) •
Dimension (adjusts depth of soundstage) •
Panorama (adjusts wraparound surround effect) •
Dolby Digital 2.0 or 2.1 •
Analog (2-channel) •
Tuner •
PCM (32kHz, 44.1kHz, 48kHz, 96kHz) •
Dolby Pro Logic II
Game
Variant of Dolby Pro Logic II that emphasizes use of the surround
channels and subwoofer for total immersion in the video gaming
experience.
Dolby Digital 2.0 or 2.1 •
Analog (2-channel) •
Tuner •
PCM (32kHz, 44.1kHz, 48kHz, 96kHz) •
Dolby Pro Logic Original version of Dolby Pro Logic that steered a mono signal
containing information below 7kHz to the surround channels.
Dolby Digital 2.0 or 2.1 •
Analog (2-channel) •
Tuner •
PCM (32kHz, 44.1kHz, 48kHz, 96kHz) •
Dolby Pro Logic IIx
Mode Group
An expansion of Dolby Pro Logic II that adds a surround back channel
which may be played through one or two surround back speakers. The
Dolby Pro Logic IIx modes may be selected not only with Dolby Digital
bitstreams, but thanks to the AVR 460/AVR 360’s post-processor, they
may also be used with some DTS bitstreams to add a surround back
channel to 5.1 modes.
See below
Dolby Pro Logic IIx
Movie
This mode is similar to Dolby Pro Logic II Movie, with an added surround
back channel.
Dolby Digital 2/0/.0 or .1, 2/2/.0 or .1, 3/2/.0 or .1, EX •
Analog (2-channel) •
Tuner •
PCM (32kHz, 44.1kHz, 48kHz, 96kHz) •